[tests][fix] Fix generator for tn_c_api_inflate.no_literal_lengths_code (#837)

Author: mcao59

tools/utils/generators/configurators/rfc1951_stream/break_header_configurators/no_literal_length_code.cpp

@@ -19,14 +19,23 @@ GenStatus gz_generator::NoLiteralLengthCodeConfigurator::generate()
     pLiteralLengthCodesTable = new Gen32u[DEFAULT_LL_TABLE_LENGTH];
     pCodeLengthCodesTable    = new Gen32u[DEFAULT_CL_TABLE_LENGTH];
 
-    makeRandomLengthCodesTable(pLiteralLengthCodesTable, DEFAULT_LL_TABLE_LENGTH, MAX_LL_CODE_BIT_LENGTH);
+    // Set default max LL code bit length to 14 bits (MAX_LL_CODE_BIT_LENGTH - 1u)
+    makeRandomLengthCodesTable(pLiteralLengthCodesTable, DEFAULT_LL_TABLE_LENGTH, MAX_LL_CODE_BIT_LENGTH - 1u);
     makeRandomLengthCodesTable(pCodeLengthCodesTable, DEFAULT_CL_TABLE_LENGTH, MAX_CL_CODE_BIT_LENGTH);
 
+    numberMissedCodes = static_cast<Gen32u>(rand);
+
+    // Set the max LL code bit length to 15 bits for all missing codes so that all missing codes will end up
+    // at the end of the sorted list of all LL code lengths. This will make sure that the non-missing codes
+    // will have valid distance codes
+    for (Gen32u i = 0u; i < numberMissedCodes; i++)
+    {
+        pLiteralLengthCodesTable[i] = MAX_LL_CODE_BIT_LENGTH;
+    }
+
     TestConfigurator::declareDynamicBlock();
     TestConfigurator::declareVectorToken(LL_VECTOR, pLiteralLengthCodesTable, DEFAULT_LL_TABLE_LENGTH);
 
-    numberMissedCodes = static_cast<Gen32u>(rand);
-
     for (Gen32u i = 0u; i < numberMissedCodes; i++)
     {
         pLiteralLengthCodesTable[i] = 0u;